Finding the Fourth Proportional to 110,636,909.70, 165,955,364.55 and 46,803,207.30
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Solution
The fourth proportional to 110,636,909.70, 165,955,364.55 and 46,803,207.30 is: 70,204,810.95
Step by Step Solution
- Step 1: Write the proportion equation
110,636,909.70 : 165,955,364.55 = 46,803,207.30 : x - Step 2: Convert to fraction form
110,636,909.70/165,955,364.55 = 46,803,207.30/x - Step 3: Cross multiply
110,636,909.70x = 165,955,364.55 × 46,803,207.30 - Step 4: Simplify right side
110,636,909.70x = 7,767,243,329,580,721 - Step 5: Solve for x
x = 7,767,243,329,580,721/110,636,909.70 - Step 6: Final answer
x = 70,204,810.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.